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#include "globals.h"
void add_hist(struct stock_t *stock, enum history_action action, ullong count)
{
/* add a history item for this transaction */
struct history_item *newhist = malloc(sizeof(struct history_item));
newhist->action = action;
newhist->count = count;
newhist->price.cents = stock->current_price.cents;
newhist->next = NULL;
time_t timer = time(0);
struct tm *tm = localtime(&timer);
newhist->action_time.year = tm->tm_year - (EPOCH_YEAR - 1900);
newhist->action_time.month = tm->tm_mon;
newhist->action_time.day = tm->tm_mday;
newhist->action_time.hour = tm->tm_hour;
newhist->action_time.minute = tm->tm_min;
newhist->action_time.second = tm->tm_sec;
if(!stock->history)
{
stock->history = newhist;
}
else
{
struct history_item *last = stock->history;
while(last)
{
if(last->next)
last = last->next;
else
break;
}
last->next = newhist;
}
++stock->history_len;
}
void print_history(struct stock_t *stock)
{
assert(stock);
struct history_item *hist = stock->history;
while(hist)
{
ullong total = hist->count * hist->price.cents;
output("[%d-%d-%d %d:%02d:%02d] ", hist->action_time.year + EPOCH_YEAR, hist->action_time.month + 1, hist->action_time.day + 1,
hist->action_time.hour, hist->action_time.minute, hist->action_time.second);
switch(hist->action)
{
case BUY:
output("[BUY] %llu shares for $%llu.%02llu each (", hist->count, hist->price.cents / 100, hist->price.cents % 100);
use_color(COL_GREEN);
output("+$%llu.%02llu", total / 100, total % 100);
stop_color(COL_GREEN);
output(").\n");
break;
case SELL:
output("[SELL] %llu shares for $%llu.%02llu each (", hist->count, hist->price.cents / 100, hist->price.cents % 100);
use_color(COL_RED);
output("-$%llu.%02llu", total / 100, total % 100);
stop_color(COL_RED);
output(").\n");
break;
default:
output("unknown history enum (%d).\n", hist->action);
break;
}
hist = hist->next;
}
}
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